KR930004685A - 높은 종횡비를 갖는 광 소자 - Google Patents

높은 종횡비를 갖는 광 소자 Download PDF

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Publication number
KR930004685A
KR930004685A KR1019920014896A KR920014896A KR930004685A KR 930004685 A KR930004685 A KR 930004685A KR 1019920014896 A KR1019920014896 A KR 1019920014896A KR 920014896 A KR920014896 A KR 920014896A KR 930004685 A KR930004685 A KR 930004685A
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South Korea
Prior art keywords
extractor
light
prism
curve
designed
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KR1019920014896A
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KR100244986B1 (ko
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앨란 밀러 리쟈드
알프레드 아호 케네쓰
주니어 샌포드 코브
Original Assignee
게리 리 그리스울드
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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Publication of KR930004685A publication Critical patent/KR930004685A/ko
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

내용 없음.

Description

높은 종횡비를 갖는 광 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 제1광 소자를 개랴적으로 도시한 단면도,
제2도는 본 발명에 사용되는 광 추출기의 확대도,
제3도는 본 발명에 사용되는 또 다른 광 추출기의 확대도,
제4도는 본 발명에 따른 두개의 광 소자를 이용하는 광 고정구를 도시한 도면.

Claims (10)

  1. 광 소자에 있어서, 광학 윈도를 갖는 광학 공동을 형성하는 하우징과; 상기 광학 윈도를 통해 빛을 상기 광학 공동밖으로 향하게 하고, 제1 및 제2자른면을 각각 갖고 매끄러운 활모양의 곡선을 형성하는 복수의 선형 삼각 프리즘을 갖는 제2측부, 및 제1측부를 갖는 광추출기와; 상기 추출기의 상기 제2표면에 그레이징 각으로 진행하고 제1단부로 부터 상기 추출기에 접근하는 광 빔은 제공하도록 위치되어, 상기 빔이 상기 프리즘의 제1자른면을 통해 각각의 상기 프리즘으로 들어가고 상기 프리즘의 제2자른면에 의해 내부 전체로 반사되어 상기 제1측부를 통해 상기 추출기에서 나타나게 하는 광 소스를 포함하는 것을 특징으로 하는 광 소자.
  2. 제1항에 있어서, 상기 곡선은 상기 고정구로 부터 조준된 출력을 제공하도록 설계되는 것을 특징으로 하는 광 소자.
  3. 제1항에 있어서, 상기 곡선은 광학 윈도상에 불균일한 광 출력을 제공하도록 설계되는 것을 특징으로 하는 광 소자.
  4. 제1항에 있어서, 상기 추출기의 상기 제2표면에 그레이징 각으로 진행하고 상기 제1단부와 대향하는 제2단부로부터 상기 추출기에 접근하는 광 빔을 제공하도록 위치되어, 상기 빛이 상기 프리즘의 제2자른면을 통해 각각의 상기 프리즘으로 들어가고 상기 프리쥼의 제1자른면에 의해 내부 전체로 반사되어 상기 제1측부를 통해 상기 추출기에서 나타나게 하는 제2광 소스를 추가로 포함하는 것을 특징으로 하는 광 소자.
  5. 제4항에 있어서, 상기 곡선은 상기 고정구로 부터 조준된 출력을 제공하도록 설계되는 것을 특징으로 하는 광 소자.
  6. 제1항에 있어서, 상기 광 소스는 빛을 상기 제1광 추출기로 향하게 하고, 제1 및 제2자른면을 각각 갖고 매끄러운 활 모양의 곡선을 형성하는 복수의 선형 삼각 프리즘을 갖는 제2측부, 및 제1측부를 갖는 제2광 추출기와; 상기 제2추출기의 상기 제2표면에 그레이징 각으로 진행하고 제1단부로부터 상기 제2추출기에 접근하는 광 빔을 제공하도록 위치되어, 상기 빛이 상기 프리즘의 제1자른면을 통해 각각의 상기 프리즘으로 들어가고 상기 프리즘의 제2자른면에 의해 내부전체로 반사되어 상기 제1측부를 통해 상기 제2추출기에서 나타나게하는 광 소스를 포함하는 것을 특징으로 하는 광 소자.
  7. 제6항에 있어서, 상기 각각의 곡선은 상기 고정구로 부터 조준된 출력을 제공하도록 설계되는 것을 특징으로 하는 광 소자.
  8. 제6항에 있어서, 상기 각각의 곡선은 균일한 광 출력을 제공하도록 설계되는 것을 특징으로 하는 광 소자.
  9. 제1항에 있어서, 상기 프리즘은 이등변 삼각형 모양을 형성하는 것을 특징으로 하는 광 소자.
  10. 제9항에 있어서, 상기 프리즘은 59도 내지 79도 범위내의 각으로 형성되는 것을 특징으로 하는 광 소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920014896A 1991-08-21 1992-08-19 높은 종횡비를 갖는 광소자 KR100244986B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/748,030 US5190370A (en) 1991-08-21 1991-08-21 High aspect ratio lighting element
US748,030 1991-08-21

Publications (2)

Publication Number Publication Date
KR930004685A true KR930004685A (ko) 1993-03-23
KR100244986B1 KR100244986B1 (ko) 2000-03-02

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Country Link
US (1) US5190370A (ko)
EP (1) EP0528645A3 (ko)
JP (2) JP3617998B2 (ko)
KR (1) KR100244986B1 (ko)

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EP0528645A2 (en) 1993-02-24
JP3617998B2 (ja) 2005-02-09
JP2003092015A (ja) 2003-03-28
EP0528645A3 (en) 1993-09-01
JPH05224020A (ja) 1993-09-03
US5190370A (en) 1993-03-02
KR100244986B1 (ko) 2000-03-02

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